/*
 * The Log4FIX Software License
 * Copyright (c) 2006 - 2007 opentradingsolutions.org  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. Neither the name of the product (Log4FIX), nor opentradingsolutions.org,
 *    nor the names of its contributors may be used to endorse or promote
 *    products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL OPENTRADINGSOLUTIONS.ORG OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

package org.opentradingsolutions.log4fix.ui.importer;

import org.opentradingsolutions.log4fix.importer.Importer;
import org.opentradingsolutions.log4fix.importer.ImporterCallback;
import org.opentradingsolutions.log4fix.importer.ImporterModel;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.concurrent.Executor;

/**
 * @author Brian M. Coyner
 */
public class ActionStart extends AbstractAction {

    private Importer importer;
    private ImporterModel model;
    private ImporterCallback callback;
    private JFileChooser fileChooser;
    private Executor executor;

    public ActionStart(Importer importer, ImporterModel model, ImporterCallback callback) {
        super("Import");

        this.model = model;
        this.importer = importer;
        this.callback = callback;
        executor = new ThreadPerTaskExecutor();
    }

    public void actionPerformed(ActionEvent e) {
        maybeCreateFileChooser();

        if (openLogFile(fileChooser)) {

            final File selectedFile = fileChooser.getSelectedFile();
            model.setLastAccessedFilePath(selectedFile.getPath());

            Runnable task = new Runnable() {
                public void run() {
                    try {
                        importer.start(model, new FileInputStream(selectedFile), callback);
                    } catch (IOException ioException) {
                        throw new RuntimeException(ioException);
                    }
                }
            };
            executor.execute(task);

        }
    }

    private void maybeCreateFileChooser() {
        if (fileChooser == null) {
            fileChooser = new JFileChooser(model.getLastAccessedFilePath());
            fileChooser.setFileFilter(new LogFileFilter());
        }
    }

    private boolean openLogFile(JFileChooser fileChooser) {
        return fileChooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION;
    }
}